Cannabis, also known as marijuana among other names,[n 1] is a psychoactive drug from the Cannabis plant used for medical or recreational purposes.[16][17][18] The main psychoactive part of cannabis is tetrahydrocannabinol (THC), one of 483 known compounds in the plant,[19] including at least 65 other cannabinoids.[20] Cannabis can be used by smoking, vaporizing, within food, or as an extract.[21]


Concrete-like blocks made with hemp and lime have been used as an insulating material for construction. Such blocks are not strong enough to be used for structural elements; they must be supported by a brick, wood, or steel frame.[25] However, hemp fibres are extremely strong and durable, and have been shown to be usable as a replacement for wood for many jobs, including creating very durable and breathable homes. The most common use of hemp lime in building is by casting the hemp and lime mix while wet around a timber frame with temporary shuttering, and tamping the mix to form a firm mass; after the removal of the temporary shuttering, the solidified hemp mix is then ready to be plastered with a lime plaster.[26]
Hemp production has been legalized in North Carolina, but only as part of the state's pilot program as allowed under federal law. As such, it will still be awhile before the first fields are planted. The N.C. General Assembly passed Senate Bill 313 in 2015, allowing the Industrial Hemp Commission to develop the rules and licensing structure necessary to stay within federal laws. The law was modified in 2016 in House Bill 992. The Industrial Hemp Commission adopted temporary rules for review in February 2017. The Rules Review Commission of the Office of Administrative Hearings voted to approve these rules Feb. 16.
No ongoing clinical trials of Cannabis as a treatment for cancer in humans were identified in a PubMed search. The only published trial of any cannabinoid in patients with cancer is a small pilot study of intratumoral injection of delta-9-THC in patients with recurrent glioblastoma multiforme, which demonstrated no significant clinical benefit.[19,20] In a trial (NCT02255292) conducted in Israel, oral cannabidiol (CBD) was investigated as a single salvage agent for recurrent solid tumors. The study was projected to be completed in 2015; however, no results have been published. A small exploratory phase II study (GWCA1208 Part A [NCT01812603]) was conducted in the United Kingdom that used nabiximols, a 1:1 ratio of THC:CBD in a Cannabis-based medicinal extract oromucosal spray, in conjunction with temozolomide in treating patients with recurrent glioblastoma multiforme. The study enrolled 21 patients. Final results have not been published.
Marijuana is the most popular illicit drug in the world, for no reason other than the fact that it produces a psychoactive chemical called tetrahydrocannabinol. Still, recreational marijuana use, which involves pursuing the euphoric sensations produced by cannabis consumption, is steadily becoming more and more legal, both in the United States and abroad.
As of March 2016, more than half of the 50 states have laws that allow for some hemp production, according to this chart. Yet, many states, such as California, where Jungmaven is based, will only allow for industrial hemp cultivation when federal law coincides with state law. That is, when Congress passes a bill permitting industrial hemp across the US. Currently, Jungmann imports his hemp from China, but he’s confident Congress will pass the bill legalizing industrial farming of hemp in July.
Although CBD oils aren’t regulated by the FDA, purchasing products stateside from one of the nine states where recreational and medical cannabis use is legal will likely result in a higher-quality product than buying one made with hemp-derived CBD oil imported from abroad, says Martin Lee, director of Project CBD, a nonprofit that promotes medical research into CBD.
Jump up ^ "Sativex Oral Mucosal Spray Public Assessment Report. Decentralized Procedure" (PDF). United Kingdom Medicines and Healthcare Products Regulatory Agency. p. 93. Retrieved 2015-05-07. There is clear evidence that recreational cannabis can produce a transient toxic psychosis in larger doses or in susceptible individuals, which is said to characteristically resolve within a week or so of absence (Johns 2001). Transient psychotic episodes as a component of acute intoxication are well-documented (Hall et al 1994)
For kids with severe forms of epilepsy, changes in medication levels can be extremely dangerous. “If their levels go low, they’re at increased risk of seizures, which could lead to an emergency room visit or an ICU stay,” Knupp said. “On the other hand, if their levels go high, their side effects can increase dramatically.” Side effects from epilepsy medications can range anywhere from drowsiness to vomiting to heart arrhythmia, Knupp noted. “For some people that could mean a minor inconvenience, but for some patients it could be life-threatening.”
"The data supporting efficacy and dosing are specific to one product: Epidiolex," Bonn-Miller says. "That's not necessarily translatable to 'Joe Bob's CBD Blend.'" A CBD extract you buy online or in a dispensary will almost certainly have less CBD in it, he explains, and will contain other cannabinoids—meaning that it will work differently and will need to be dosed differently. "This is not to say that 'Joe Bob's CBD Blend' definitely isn't going to be effective for pediatric epilepsy, but it means that we need to study it before we know."
The arguments for hemp's advantages are mostly long-standing (aside from ongoing discoveries about cannabinoids, new applications in nanotechnology and industrial oils, and so on). But our current opportunities to advance hemp's status as a crop — as well as a transformed cultural climate for cannabis generally — certainly qualify as 'groundbreaking' conditions.
I don’t know a whole lot about the plants but a friend of mine who did weed told me hamper is just the stem of the cannabis. He would know, I wouldn’t. Sadly though he died June 10 of 2018 of stage 4 lung cancer. He was a heavy smoker and I just couldn’t be around it despite our best efforts to set up a ventilation system to fan the smoke out. I must be allergic to secondhand smoke though because I keep getting bronchitis every time I’m exposed to it for long enough and it doesn’t really take a real long time even under the best conditions. Second hand weed smoke really didn’t help either, with me smoke a smoke and I just can’t be around it as it becomes a serious issue. I’m still struggling with trying to get the junk out of my respiratory system that keeps building up in the very upper part of it
Jump up ^ McLaren JA, Silins E, Hutchinson D, Mattick RP, Hall W (January 2010). "Assessing evidence for a causal link between cannabis and psychosis: a review of cohort studies". The International Journal on Drug Policy. 21 (1): 10–9. doi:10.1016/j.drugpo.2009.09.001. PMID 19783132. The contentious issue of whether cannabis use can cause serious psychotic disorders that would not otherwise have occurred cannot be answered based on the existing data

Protein. Hemp seeds contain 25%–30% protein, with a reasonably complete amino acid spectrum. About two thirds of hempseed protein is edestin. All eight amino acids essential in the human diet are present, as well as others. Although the protein content is smaller than that of soybean, it is much higher than in grains like wheat, rye, maize, oat, and barley. As noted above, the oilcake remaining after oil is expressed from the seeds is a very nutritious feed supplement for livestock, but it can also be used for production of a high-protein flour.
Industrial hemp is a versatile agricultural plant which could one day be a valuable crop option for Pennsylvania farmers. The Commonwealth of Pennsylvania has taken some important steps toward making that a reality. Following Governor Wolf’s signing of the Industrial Hemp Research Act, Number 92 in 2016, the Pennsylvania Department of Agriculture’s Industrial Hemp Research Pilot Program started issuing permits for research & growth of industrial hemp in 2017. Pennsylvania’s industrial hemp legislation was sparked by the passage of the 2014 Farm Bill, which gave federal permission for institutions of higher education or state Departments of Agriculture to research the cultivation and marketing of industrial hemp. As part of Pennsylvania’s Research Pilot Program, industrial hemp was legally grown in the Commonwealth after an 80 years hiatus. The Department of Agriculture has issued 35 research permits in the last two years to institutions of higher education and to farmers, business or individuals in contract with the Department to participate in the research of industrial hemp cultivation and marketing in Pennsylvania. In 2018, 35 research permits were issued to researchers, who cultivated industrial hemp in 25 Pennsylvania counties. 
Soil characteristics, latitude and climatic stresses have been found to have significant effects on THC concentrations, and there are seasonal and even diurnal variations (Small 1979; Pate 1998b). However, the range of THC concentrations developed by low-THC cultivars (those typically with £0.3% THC) under different circumstances on the whole is limited, for the most part generally not varying more than 0.2 percentage points when grown in a range of circumstances, and usually less (note information in Scheifle et al. 1999; Scheifle 2000, Scheifle and Dragla 2000). Practically, this has meant in Canadian experience that a few cultivars have been eliminated from further commercial cultivation because they sometimes exceed the 0.3% level (‘Fedora 19’ and ‘Futura,’ authorized in 2000, have now been removed because some test results in several years exceeded 0.3%; ‘Finola’ and ‘Uniko B’ are under probation because of elevated levels), but on the whole most of the permitted cultivars have maintained highly consistent development of quite low levels of THC.
One systematic review studied 30 randomized comparisons of delta-9-THC preparations with placebo or other antiemetics from which data on efficacy and harm were available.[31] Oral nabilone, oral dronabinol, and intramuscular levonantradol (a synthetic analog of dronabinol) were tested. Inhaled Cannabis trials were not included. Among all 1,366 patients included in the review, cannabinoids were found to be more effective than the conventional antiemetics prochlorperazine, metoclopramide, chlorpromazine, thiethylperazine, haloperidol, domperidone, and alizapride. Cannabinoids, however, were not more effective for patients receiving very low or very high emetogenic chemotherapy. Side effects included a feeling of being high, euphoria, sedation or drowsiness, dizziness, dysphoria or depression, hallucinations, paranoia, and hypotension.[31]
Categories: English terms borrowed from LatinEnglish terms derived from LatinEnglish terms derived from Ancient GreekEnglish doubletsEnglish 3-syllable wordsEnglish terms with IPA pronunciationEnglish terms with audio linksEnglish lemmasEnglish nounsEnglish uncountable nounsEnglish countable nounsen:Marijuanaen:Rosales order plantsFrench terms borrowed from LatinFrench terms derived from LatinFrench terms derived from Ancient GreekFrench doubletsFrench 3-syllable wordsFrench terms with IPA pronunciationFrench lemmasFrench nounsFrench masculine nounsFrench uncountable nounsfr:Recreational drugsLatin terms derived from Ancient GreekLatin 3-syllable wordsLatin terms with IPA pronunciationLatin lemmasLatin nounsLatin feminine nounsLatin third declension nounsLatin feminine nouns in the third declensionLatin non-lemma formsLatin noun formsla:PlantsNorman terms borrowed from LatinNorman terms derived from LatinNorman terms derived from Ancient GreekNorman lemmasNorman nounsnrf:Plantsnrf:Recreational drugsSpanish terms borrowed from LatinSpanish terms derived from LatinSpanish terms derived from Ancient GreekSpanish doubletsSpanish lemmasSpanish nounsSpanish uncountable nounses:Recreational drugsSwedish terms borrowed from LatinSwedish terms derived from LatinSwedish lemmasSwedish nounssv:Plantssv:Recreational drugs
Hemp is grown in temperate zones as an annual cultivated from seed and can reach a height of up to 5 metres (16 feet). Crops grow best in sandy loam with good drainage and require average monthly rainfall of at least 65 mm (2.5 inches) throughout the growing season. Crops cultivated for fibre are densely sowed and produce plants averaging 2–3 metres (6–10 feet) tall with almost no branching. Plants grown for oilseed are planted farther apart and are shorter and many-branched. The slender stalks are hollow except at the tip and base. The leaves are compound with palmate shape, and the flowers are small and greenish yellow. Seed-producing flowers form elongate, spikelike clusters growing on the pistillate, or female, plants. Pollen-producing flowers form many-branched clusters on staminate, or male, plants. Maximum yield and quality are obtained by harvesting soon after the plants reach maturity, indicated by the full blossoms and freely shedding pollen of the male plants. Although sometimes pulled up by hand, plants are more often cut off about 2.5 cm (1 inch) above the ground.
Medical cannabis (or medical marijuana) refers to the use of cannabis and its constituent cannabinoids, to treat disease or improve symptoms. Cannabis is used to reduce nausea and vomiting during chemotherapy, to improve appetite in people with HIV/AIDS, and to treat chronic pain and muscle spasms.[102][103] Cannabinoids are under preliminary research for their potential to affect stroke.[104]
Images in this summary are used with permission of the author(s), artist, and/or publisher for use within the PDQ summaries only. Permission to use images outside the context of PDQ information must be obtained from the owner(s) and cannot be granted by the National Cancer Institute. Information about using the illustrations in this summary, along with many other cancer-related images, is available in Visuals Online, a collection of over 2,000 scientific images.

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